| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (514 reviews) | Istanbul, Turkey | — | — | Lymphoma chemotherapy, Radiotherapy | — | — | International Organization for Standardization, Joint Commission International | |
| #2 | 4.7 / 5 (440 reviews) | Barcelona, Spain | — | 23,000+ treatments | CyberKnife for brain tumor, Pituitary tumor surgery | — | — | Joint Commission International , European Foundation for Quality Management | |
| #3 | 5.0 / 5 (53 reviews) | Istanbul, Turkey | — | — | Installation of the subcutaneous port system PORT-A-CATH | — | — | Joint Commission International , International Organization for Standardization | |
| #4 | 4.8 / 5 (41 reviews) | Barcelona, Spain | — | 14,000+ treatments | Allogenic bone marrow transplantation from a related donor, Autologous bone marrow transplantation | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #5 | 5.0 / 5 (1 review) | Istanbul, Turkey | — | — | Installation of the subcutaneous port system PORT-A-CATH | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.4 / 5 (32 reviews) | Istanbul, Turkey | — | — | Chemotherapy for Sarcomas, Allogenic bone marrow transplantation from an unrelated donor | — | — | International Organization for Standardization, Joint Commission International | |
| #7 | 4.4 / 5 (32 reviews) | Istanbul, Turkey | — | — | Chemotherapy for Sarcomas, Autologous bone marrow transplantation | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | |
| #8 | 4.0 / 5 (3 reviews) | Seoul, Republic of Korea | — | — | Cryodestruction, Stereotaxic radiosurgery | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #9 | 2.5 / 5 (0 reviews) | Madrid, Spain | — | — | Installation of the subcutaneous port system PORT-A-CATH | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | |
| #10 | 4.6 / 5 (42 reviews) | Seoul, Republic of Korea | — | — | CyberKnife, Gamma Knife for brain tumor | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |